diff -r 000000000000 -r 4f2f89ce4247 WebCore/dom/MessageEvent.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/dom/MessageEvent.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2007 Henry Mason (hmason@mac.com)
+ * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ *
+ */
+
+#include "config.h"
+#include "MessageEvent.h"
+
+#include "DOMWindow.h"
+#include "EventNames.h"
+
+namespace WebCore {
+
+MessageEvent::MessageEvent()
+    : m_data(SerializedScriptValue::create())
+{
+}
+
+MessageEvent::MessageEvent(PassRefPtr<SerializedScriptValue> data, const String& origin, const String& lastEventId, PassRefPtr<DOMWindow> source, PassOwnPtr<MessagePortArray> ports)
+    : Event(eventNames().messageEvent, false, false)
+    , m_data(data)
+    , m_origin(origin)
+    , m_lastEventId(lastEventId)
+    , m_source(source)
+    , m_ports(ports)
+{
+}
+
+MessageEvent::~MessageEvent()
+{
+}
+
+void MessageEvent::initMessageEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<SerializedScriptValue> data, const String& origin, const String& lastEventId, DOMWindow* source, PassOwnPtr<MessagePortArray> ports)
+{
+    if (dispatched())
+        return;
+        
+    initEvent(type, canBubble, cancelable);
+    
+    m_data = data;
+    m_origin = origin;
+    m_lastEventId = lastEventId;
+    m_source = source;
+    m_ports = ports;
+}
+
+// FIXME: remove this when we update the ObjC bindings (bug #28774).
+MessagePort* MessageEvent::messagePort()
+{
+    if (!m_ports)
+        return 0;
+    ASSERT(m_ports->size() == 1);
+    return (*m_ports)[0].get();
+}
+
+void MessageEvent::initMessageEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<SerializedScriptValue> data, const String& origin, const String& lastEventId, DOMWindow* source, MessagePort* port)
+{
+    MessagePortArray* ports = 0;
+    if (port) {
+        ports = new MessagePortArray();
+        ports->append(port);
+    }
+    initMessageEvent(type, canBubble, cancelable, data, origin, lastEventId, source, ports);
+}
+
+bool MessageEvent::isMessageEvent() const 
+{
+    return true;
+}
+
+} // namespace WebCore